# 420888877 Seadoo Oil Radiator | Genuine Used Part

🔧 Product Description

  

Genuine Sea-Doo Oil Radiator - Part Number: 420888877

  

This genuine Sea-Doo oil radiator is used in the lubrication system on Sea-Doo 4-TEC and 1630 ACE engines. It helps transfer heat away from the engine oil, supporting stable oil temperature and engine protection during operation.

  

⚙️ Key Features

  

• Genuine Sea-Doo oil radiator

• OEM part number 420888877

• Factory engine oil cooler / radiator component

• Supersedes earlier OEM oil radiator reference 420888852

• Direct-fit OEM lubrication component for listed Sea-Doo 1503 and 1630 engines

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 420888877 → Supersedes 420888852

• 420888852 (earlier OEM reference)

  

OEM / Related Numbers:

  

• 420888877

• 420888852

• 420250057 — related O-ring

• 420250055 — earlier related O-ring reference

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Sea-Doo engine lubrication / oil cooling assemblies

  

Typically suits:

  

• Engine models:

• GTI 130 / GTI SE 130 — 1503 4-TEC lubrication

• GTI SE 155 / GTI LTD 155 — 1503 4-TEC lubrication

• GTS 130 — 1503 4-TEC lubrication

• GTR 215 / GTR 230 — 1503 4-TEC lubrication

• GTX 155 / GTX 170 / GTX 230 — 1503 / 1630 lubrication

• GTX PRO 130 — 1630 ACE lubrication

• FISH PRO 170 — 1630 ACE lubrication

• WAKE 170 / WAKE PRO 230 — 1630 ACE lubrication

• 2020 GTI 130 / GTI SE 130 / GTI SE 170 — Engine Lubrication

• 2021 GTI 130 / GTI SE 130 / GTI SE 170 — Rotax Engine Lubrication

  

• HP Range: Approximately 130HP - 230HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC / 1630 ACE Lubrication System

• Year Range: Approximately 2010 - 2021

  

🔌 Function

  

The oil radiator cools engine oil by transferring heat away from the lubrication circuit, helping maintain correct oil temperature and engine protection.

  

Common signs of failure:

  

• Oil leakage around cooler area

• Oil temperature issues

• Contaminated oil or coolant where internal failure occurs

• Corrosion or impact damage to oil cooler body

• Oil seepage from damaged O-rings or sealing faces

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 150.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Sea-Doo Parts | Jet Ski Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 150.00 AUD | In stock |

## Images

- 420888877 Seadoo Oil Radiator | Genuine Used Part
- 420888877 Seadoo Oil Radiator | Genuine Used Part
- 420888877 Seadoo Oil Radiator | Genuine Used Part
- 420888877 Seadoo Oil Radiator | Genuine Used Part
- 420888877 Seadoo Oil Radiator | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/420888877-seadoo-oil-radiator-genuine-used-part)
> Updated: 2026-07-02